-11.62% is the change from 921 to 814
Calculation steps:
[( 814 - 921 ) ÷ 921] x 100 = -11.62%
Formula
Percentage change = [(814 - 921) / 921] x 100
Subtract the new number by the original number
814 - 921 = -107
-107 ÷ 921 = -0.11617806731813246
-0.11617806731813246 x 100 = -11.62%